stages/prompt: fix tests for file field

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/stages/prompt/models.py

@@ -1,6 +1,6 @@
 """prompt models"""
 from typing import Any, Optional
-from urllib.parse import urlparse
+from urllib.parse import urlparse, urlunparse
 from uuid import uuid4
 
 from django.db import models
@@ -89,7 +89,7 @@ class InlineFileField(CharField):
         _mime, _, enc = header.partition(";")
         if enc != "base64":
             raise ValidationError("Invalid encoding")
-        return super().to_internal_value(uri)
+        return super().to_internal_value(urlunparse(uri))
 
 
 class Prompt(SerializerModel):

authentik/stages/prompt/tests.py

@@ -118,11 +118,11 @@ class TestPromptStage(FlowTestCase):
             InlineFileField().to_internal_value("data:foo/bar;foo,qwer")
         self.assertEqual(
             InlineFileField().to_internal_value("data:mine/type;base64,Zm9v"),
-            "foo",
+            "data:mine/type;base64,Zm9v",
         )
         self.assertEqual(
             InlineFileField().to_internal_value("data:mine/type;base64,Zm9vqwer"),
-            "Zm9vqwer",
+            "data:mine/type;base64,Zm9vqwer",
         )
 
     def test_render(self):